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java.lang.Object org.gjt.sp.jedit.syntax.KeywordMap
A KeywordMap
is similar to a hashtable in that it maps keys
to values. However, the `keys' are Swing segments. This allows lookups of
text substrings without the overhead of creating a new string object.
Constructor Summary | |
KeywordMap(boolean ignoreCase)
Creates a new KeywordMap . |
|
KeywordMap(boolean ignoreCase,
int mapLength)
Creates a new KeywordMap . |
Method Summary | |
void |
add(char[] keyword,
byte id)
Adds a key-value mapping. |
void |
add(KeywordMap map)
Adds the content of another keyword map to this one. |
void |
add(java.lang.String keyword,
byte id)
Adds a key-value mapping. |
boolean |
getIgnoreCase()
Returns true if the keyword map is set to be case insensitive, false otherwise. |
java.lang.String[] |
getKeywords()
Returns an array containing all keywords in this keyword map. |
java.lang.String |
getNonAlphaNumericChars()
Returns all non-alphanumeric characters that appear in the keywords of this keyword map. |
protected int |
getSegmentMapKey(javax.swing.text.Segment s,
int off,
int len)
|
byte |
lookup(javax.swing.text.Segment text,
int offset,
int length)
Looks up a key. |
void |
setIgnoreCase(boolean ignoreCase)
Sets if the keyword map should be case insensitive. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public KeywordMap(boolean ignoreCase)
KeywordMap
.
ignoreCase
- True if keys are case insensitivepublic KeywordMap(boolean ignoreCase, int mapLength)
KeywordMap
.
ignoreCase
- True if the keys are case insensitivemapLength
- The number of `buckets' to create.
A value of 52 will give good performance for most maps.Method Detail |
public byte lookup(javax.swing.text.Segment text, int offset, int length)
text
- The text segmentoffset
- The offset of the substring within the text segmentlength
- The length of the substringpublic void add(java.lang.String keyword, byte id)
keyword
- The keyid
- The valuepublic void add(char[] keyword, byte id)
keyword
- The keyid
- The valuepublic java.lang.String getNonAlphaNumericChars()
public java.lang.String[] getKeywords()
public boolean getIgnoreCase()
public void setIgnoreCase(boolean ignoreCase)
ignoreCase
- True if the keyword map should be case
insensitive, false otherwisepublic void add(KeywordMap map)
protected int getSegmentMapKey(javax.swing.text.Segment s, int off, int len)
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